Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue PEG B 201 |
| Chain | Residue |
| A | PRO49 |
| A | GLU50 |
| B | CYS60 |
| B | HOH340 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue PEG B 202 |
| Chain | Residue |
| B | PRO49 |
| B | GLU50 |
| A | CYS60 |
| A | PRO125 |
| B | THR35 |
| B | PRO36 |
| B | LEU39 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | binding site for residue PEG C 201 |
| Chain | Residue |
| C | SER34 |
| C | THR35 |
| C | PRO36 |
| C | ASN48 |
| C | PRO49 |
| C | GLU50 |
| C | HOH335 |
| D | CYS60 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | binding site for residue PEG D 201 |
| Chain | Residue |
| C | CYS60 |
| C | PRO125 |
| D | THR35 |
| D | PRO36 |
| D | LEU39 |
| D | PRO49 |
| D | GLU50 |